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实现圆形环状进度条 #203

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Sunny-117 opened this issue Nov 3, 2022 · 1 comment
Open

实现圆形环状进度条 #203

Sunny-117 opened this issue Nov 3, 2022 · 1 comment

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@Sunny-117
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@huccct
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huccct commented May 5, 2023 

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      .circle {
        fill: none;
        stroke: #7c83fd;
        stroke-width: 8;
        stroke-dasharray: 314;
        stroke-dashoffset: 314;
        stroke-linecap: round;
        transition: all 1s;
      }
      .text {
        font-size: 20px;
      }
      .percent {
        font-size: 10px;
      }
    </style>
  </head>
  <body>
    <svg>
      <circle
        class="circle"
        cx="80"
        cy="80"
        r="50"
        stroke="#7c83fd"
        transform="rotate(-90 80 80)"
      ></circle>
      <text x="80" y="85" fill="#6b778c" text-anchor="middle">
        <tspan class="text">0</tspan>
        <tspan class="percent">%</tspan>
      </text>
    </svg>
  </body>
  <script>
    let progressLen = 314;
    const textDom = document.getElementsByClassName('text')[0];
    const circleDom = document.getElementsByClassName('circle')[0];

    setPercent = num => {
      if (num > 100) return;
      circleDom.style['stroke-dashoffset'] = progressLen - (progressLen / 100) * num;
      textDom.innerHTML = num;
    };

    let i = 0;
    setInterval(() => {
      i += Math.floor(Math.random() * 5);
      if (i >= 100) i = 100;
      setPercent(i);
    }, 250);
  </script>
</html>

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@Sunny-117 @huccct